Dehydromucic acid
[化] 脱水粘酸
🧩 词语组成解析
🗣️ 情景例句
And have you had an engineer come in to do an inspection?
你们可有一个工程师来做过检查吗？
The weather is promising.
天气可能好转。
What's the basis of your belief that the product is safe?
你凭什么相信产品是安全的？